diff --git a/clang/cmake/caches/Fuchsia.cmake b/clang/cmake/caches/Fuchsia.cmake
index 6b4fefcb0480..63bd62d1e93d 100644
--- a/clang/cmake/caches/Fuchsia.cmake
+++ b/clang/cmake/caches/Fuchsia.cmake
@@ -29,20 +29,21 @@ if(APPLE)
   set(COMPILER_RT_ENABLE_IOS OFF CACHE BOOL "")
   set(COMPILER_RT_ENABLE_TVOS OFF CACHE BOOL "")
   set(COMPILER_RT_ENABLE_WATCHOS OFF CACHE BOOL "")
-elseif(UNIX)
-  set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
-  set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
-  set(LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
-  set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
-  set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
-  set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
-  set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
-  set(LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
-  set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
-  set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
-  set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
 endif()
 
+set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
+set(LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
+set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
+set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
+set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
+set(LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
+set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
+set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
+set(LIBCXX_ABI_VERSION 2 CACHE STRING "")
+set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
+set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
+set(LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
+
 if(BOOTSTRAP_CMAKE_SYSTEM_NAME)
   set(target "${BOOTSTRAP_CMAKE_CXX_COMPILER_TARGET}")
   if(STAGE2_LINUX_${target}_SYSROOT)